‘The head of the World Health Organization has ruled out a herd immunity response to the pandemic. Herd immunity occurs when a large portion of a community becomes immune to a disease through vaccinations or through the mass spread of a disease. Some have argued that coronavirus should be allowed to spread naturally in the absence of a vaccine. But WHO chief Tedros Ghebreyesus said such an approach was "scientifically and ethically problematic".’
Read here (BBC, Oct 13, 2020)
